Mining travel patterns from geotagged photos

YT Zheng, ZJ Zha, TS Chua - ACM Transactions on Intelligent Systems …, 2012‏ - dl.acm.org
Recently, the phenomenal advent of photo-sharing services, such as Flickr and Panoramio,
have led to volumous community-contributed photos with text tags, timestamps, and …

Mining, indexing, and querying historical spatiotemporal data

N Mamoulis, H Cao, G Kollios… - Proceedings of the …, 2004‏ - dl.acm.org
In many applications that track and analyze spatiotemporal data, movements obey periodic
patterns; the objects follow the same routes (approximately) over regular time intervals. For …

Protecting moving trajectories with dummies

TH You, WC Peng, WC Lee - 2007 International conference on …, 2007‏ - ieeexplore.ieee.org
Dummy-based anonymization techniques for protecting location privacy of mobile users
have been proposed in the literature. By generating dummies that move in humanlike …

Discovery of periodic patterns in spatiotemporal sequences

H Cao, N Mamoulis, DW Cheung - IEEE Transactions on …, 2007‏ - ieeexplore.ieee.org
In many applications that track and analyze spatiotemporal data, movements obey periodic
patterns; the objects follow the same routes (approximately) over regular time intervals. For …

Mining cluster-based temporal mobile sequential patterns in location-based service environments

EHC Lu, VS Tseng, SY Philip - IEEE transactions on …, 2010‏ - ieeexplore.ieee.org
Researches on Location-Based Service (LBS) have been emerging in recent years due to a
wide range of potential applications. One of the active topics is the mining and prediction of …

Optimizing index allocation for sequential data broadcasting in wireless mobile computing

MS Chen, KL Wu, PS Yu - IEEE Transactions on knowledge …, 2003‏ - ieeexplore.ieee.org
Energy saving is one of the most important issues in wireless mobile computing. Among
others, one viable approach to achieving energy saving is to use an indexed data …

[PDF][PDF] Complex spatio-temporal pattern queries

M Hadjieleftheriou, G Kollios, P Bakalov, VJ Tsotras - VLDB, 2005‏ - hadjieleftheriou.com
This paper introduces a novel type of query, what we name Spatio-temporal Pattern Queries
(STP). Such a query specifies a spatio-temporal pattern as a sequence of distinct spatial …

Mining trajectory patterns using hidden Markov models

H Jeung, HT Shen, X Zhou - International Conference on Data …, 2007‏ - Springer
Many studies of spatiotemporal pattern discovery partition data space into disjoint cells for
effective processing. However, the discovery accuracy of the space-partitioning schemes …

Dummy-based schemes for protecting movement trajectories

PR Lei, WC Peng, IJ Su, CP Chang - Journal of Information …, 2012‏ - ir.lib.nycu.edu.tw
Dummy-based anonymization techniques for protecting the location privacy of mobile users
have appeared in the literature. By generating dummies that move in human-like …

Mining mobile sequential patterns in a mobile commerce environment

CH Yun, MS Chen - IEEE Transactions on Systems, Man, and …, 2007‏ - ieeexplore.ieee.org
In this paper, we explore a new data mining capability for a mobile commerce environment.
To better reflect the customer usage patterns in the mobile commerce environment, we …